— The bearing capacity of silt soft soil is poor making it difficult for it to be used as a subgrade material in foundation engineering and the use of traditional Portland cement curing agents causes environmental pollution In this study a new soft soil curing agent CSP ceramic powder slag phosphorus slag was prepared using ceramic
Yêu cầu trực tuyến →
— Air cooled slag contains substantial quantity of crystalline phases >50% which prevents the slag to exhibit cementitious properties whereas water quenched slag mainly contains amorphous phases >90% In addition the applicability in cement and aggregate application of both mentioned types of slags were studied The slag powder
Yêu cầu trực tuyến →
— Producing limestone calcined clay cement LC 3 can reduce cement use and CO 2 emissions but the availability and quality of clay and limestone pose challenges This paper explores substituting these materials with seashell powder and engineering spoils for their high CaCO 3 content and cohesive clay This study introduces the concept of
Yêu cầu trực tuyến →
— The cumulative hydration heat of steel slag powder at 72 h is raised from J/g to J/g after the treatment with 4 wt% phosphoric acid modifier due to the increased specific surface area and the formation of hydraulic tricalcium phosphate in modified steel slag powder However when the modified steel slag powder is blended in
Yêu cầu trực tuyến →
— Shan et al used the principle that steel slag and blast furnace slag can activate each other to promote hydration and added a 25% steel slag and 25% blast furnace powder as an admixture to increase the strength of the cement with results showing that the 28 day bending strength and compressive strength of cement was MPa and
— Meanwhile the reducing slag from EAF aka ladle furnace slag 1 the target slag of this research is the powder type material including a few particles of 5 cm diameter due to the self breaking effect during the aging process even though it is a huge chunk with the same dimensions as that in the slag port when it is discharged The main
Yêu cầu trực tuyến →
— The slag can form powder after grinding When the specific surface area of slag powder is more than 400 m 2 /kg the strength of the cement is obviously enhanced [1] So how to ensure the quality and yield of slag powder has been an important issue Slag powder is a multivariate strongly coupled and nonlinear process
Yêu cầu trực tuyến →
— The accumulation of steel slag and other industrial solid wastes has caused serious environmental pollution and resource waste and the resource utilization of steel slag is imminent In this paper alkali activated ultra high performance concrete AAM UHPC was prepared by replacing ground granulat
Yêu cầu trực tuyến →
— Slag as shown in Fig 1 is the 16th ingredient of high performance concrete production [22] called supplementary cementitious materials SCM [23] that can enhance the strength and durability of concrete [2] The highly fine slag powder with a surface area of 400 600 m 2 /kg and a bulk density of 1200 kg/m 3 can be mixed with
Yêu cầu trực tuyến →
— A combination of ground granulated blast furnace slag waste glass powder GP and air pollution control APC residues are employed as precursors to prepare the one part alkali activated materials AAMs and a commercial solid sodium silicate composed of % Na 2 O and % SiO 2 was used as the alkali activator As
Yêu cầu trực tuyến →
— 1 Introduction The steel industry as one of the most energy and carbon intensive industries has attracted much attention in achieving the goals of carbon peak and carbon neutrality [1 2] The treatment of liquid blast furnace BF slag a by product of the iron making process is one of the breakthrough points since it contains a large amount
Yêu cầu trực tuyến →
— Steel slag is the by product during the separation of molten steel from impurities in the steel making furnace The basic oxygen furnace BOF slag electric arc furnace EAF slag and ladle furnace LF slag are three major types of SS produced in the steelmaking drawn in Fig 2 BOF slag and EAF slag are both produced
Yêu cầu trực tuyến →
— Coal gasification fine slag CGFS which is the by product of entrained flow coal gasification has superior properties such as a large surface area a broad pore size distribution and a high content of carbon This material has the potential to amend poor soils This study was carried out to investigate the use of CGFS as a soil amendment for
Yêu cầu trực tuyến →Chúng tôi đánh giá cao phản hồi của bạn! Vui lòng điền vào mẫu dưới đây để chúng tôi có thể điều chỉnh dịch vụ theo nhu cầu cụ thể của bạn.
